Home / 40,107.39-60,143.31-21,383.94

Finding the Fourth Proportional to 40,107.39, 60,143.31 and 21,383.94

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Solution

The fourth proportional to 40,107.39, 60,143.31 and 21,383.94 is: 32,066.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,107.39 : 60,143.31 = 21,383.94 : x
  2. Step 2: Convert to fraction form
    40,107.39/60,143.31 = 21,383.94/x
  3. Step 3: Cross multiply
    40,107.39x = 60,143.31 × 21,383.94
  4. Step 4: Simplify right side
    40,107.39x = 1,286,100,787.09
  5. Step 5: Solve for x
    x = 1,286,100,787.09/40,107.39
  6. Step 6: Final answer
    x = 32,066.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.